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Finding the Fourth Proportional to 154,885.76, 232,300.98 and 98,558.66

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Solution

The fourth proportional to 154,885.76, 232,300.98 and 98,558.66 is: 147,820.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,885.76 : 232,300.98 = 98,558.66 : x
  2. Step 2: Convert to fraction form
    154,885.76/232,300.98 = 98,558.66/x
  3. Step 3: Cross multiply
    154,885.76x = 232,300.98 × 98,558.66
  4. Step 4: Simplify right side
    154,885.76x = 22,895,272,143.98
  5. Step 5: Solve for x
    x = 22,895,272,143.98/154,885.76
  6. Step 6: Final answer
    x = 147,820.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.